Method for correcting zero position of electric steering engine
A calibration method and technology of electric steering gear, applied in the field of electric servo, can solve the problems of restricting loading efficiency, high development cost, and low loading efficiency, and achieve simple and effective calibration method, low cost, and fast zeroing of steering gear Effect
Inactive Publication Date: 2015-10-14
XIAN AERONAUTICAL UNIV
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Problems solved by technology
The above solutions not only have high development costs, but also have low loading efficiency, especially when batch steering gear products are loaded, which seriously restricts the work efficiency of loading cabins
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[0019] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0020] A method for calibrating the zero position of an electric steering gear, comprising the following steps:
[0021] Step 1: After the steering gear is installed, use measuring tools such as square ruler and feeler gauge to check whether the mechanical zero position of the steering gear is within the two zero mark lines. If so, the mechanical zero position of the steering gear coincides with the electrical zero position at this time, and no Zero calibration, if not, go to step 2;
[0022] Step 2: The steering gear controller receives the rudder deviation control command issued by the bus, controls the steering gear to rotate within the zero mark line, and checks whether the mechanical zero position of the steering gear is within the two zero mark lines. If so, the rudder If the mechanical zero position does not coincide with the electrical zero position, go to st...
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The invention discloses a method for correcting a zero position of an electric steering engine, which can rapidly adjust the zero position after stowing the hold of the electric steering engine. The method for correcting the zero position of the electric steering engine achieves calibration of the zero position of the electric steering engine, corrects communication commands by adding the zero position of the electric steering engine, a current electric zero position of the electric steering engine is stored into a flash (FLASH), a mechanical deflection angle of the electric steering engine and an electric angle are converted to be software codes and the like, can adjust the zero position of the electric steering engine in place, and do not affect normal deflection of the electric steering engine simultaneously. The method for correcting the zero position of the electric steering engine is simple and effective, does not need to dismount the electric steering engine to adjust the zero position again, and has the advantages of easy realization of software, rapid zero adjustment of the electric steering engine and low cost and the like, and being capable of greatly improving stowage work efficiency of the electric steering engine.
Description
technical field [0001] The invention belongs to the field of electric servo, and in particular relates to a method for calibrating the zero position of an electric steering gear. Background technique [0002] After the steering gear is installed, it is required that the mechanical zero position of the steering gear must be within the two zero mark lines on the surface of the steering cabin, and the zero position error should be less than 0.3°. Bit is also around zero degrees. The mechanical zero position and electrical zero position of the steering gear must meet the zero precision requirements after loading. Only in this way can the zero position accuracy of the steering gear be guaranteed after the output shaft of the steering gear is connected to the rudder surface. [0003] Due to various factors such as machining, assembly and steering gear zero position detection, the mechanical zero position of the steering gear will be inaccurate after loading. Currently commonly u...
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IPC IPC(8): B64F5/00B64F5/10
Inventor 张少应陈庆荣刘肖王建
Owner XIAN AERONAUTICAL UNIV